NHTSA ID Number: 10249039
Manufacturer Communication Number: BS5490E
TSB/Document Date: 2024-01-20
Summary
Fuse holder for the electric cooling fans require an improve protection against road debris.
SERVICE BULLETIN
BS5490E
SECTION:
Nova Bus
Manuals
09: Engine Cooling Package
RS NO:
MQR 7621-2467
EFFECTIVE IN PROD.:
LF49 (2023AU)
SUBJECT:
New protection cover for fuse Holder
JUSTIFICATION:
Fuse holder for the electric cooling fans require an improve protection against road
debris.
REFERENCE:
LEVEL
DESCRIPTION
APPLICATION DEADLINES: 2025MR21
CLAIM REFERENCE NUMBER:WB5490
DIRECT CHARGES
TIME
LABOUR
MATERIAL
1
Disconnect the cables connected to the fuse holder. Remove and
clean the fuse holder, N84769 and the fuse, N47759-250. Clean and
inspect the metal surface of the cable lug which was connected to the
lower terminal of the fuse holder. Apply the anticorrosive product on
the cables' lug and the metal surface of the fuse holder. Install new
cover N109946 on the fuse holder.
–
1h
2
If required replace the N84769 fuse holder and/or the N47759-250 fuse
and/or the cable connected to the lower terminal of the fuse holder.
Client*
0.75h
* The cost of the material will be reimbursed when claiming for this service document.
DISPOSAL OF PARTS
REMOVED PARTS ARE:
DISCARDED
*
RETAINED
Yes
–
* Dispose of the unused parts and the defective parts in
accordance with local environmental standards in effect.
REVISION HISTORY
REV.
DATE
CHANGE DESCRIPTION
NR
2024JA15
Initial release
APPROVED BY:
Irina
NQF772001 version 5
Negoescu Irina Negoescu
Signature
numérique de
Date : 2024.01.16
15:11:33 -05'00'
WRITTEN BY
Luc Carignan
PAGE 1 OF 13
SERVICE BULLETIN
BS5490E
MATERIAL REQUIRED PER VEHICLE
QTY
PART NO
REV.
DESCRIPTION
LEVEL 1
1
N109946
Fuse Holder Cover
1
N111682
Grommet 3/4
1
2
N109997
N0249000
Gasket Shim
Nylon Sleeve 1/4
2
2
N68458
N20301
A
X
Nylon Spacer 6 mm X 13 mm X 6 mm
Bolt M6 X 30
3
N44890
B
Nut Locknyl M6
LEVEL 1 SHOP SUPPLIES***
5 oz
N8951729
–
Brake and Part Cleaner
(20 oz can)
3.2 oz
N8910848
–
CRC Contact Cleaner
(16 oz can)
2 oz
N67314
–
Anticorrosive Compound (NCP-2)
(4 0z)
***WHEN YOU ORDER, SPECIFY THE NUMBER OF VEHICLES TO REPAIR.
LEVEL 2 (only if required**)
1
N47759-250
–
250A fuse
1
N84769
A
1
N106873-05
–
Cable C1415 4/0 awg BK-RD
7
N37749
B
Dual clamp tie
Materials will be available within 41 days once your order has been placed.
To order, please contact novabus.parts@volvo.com
Or by phone for CANADA 1-800-771-6682, for USA 1-877-999-8808
Specify document number, quantity of parts required and shipping address.
** The material identified in Level 2 is to be ordered only for vehicles that meet the criteria defined in Level 1.
PAGE 2 OF 13
NQF772001 version 5
SERVICE BULLETIN
ROAD NUMBER
CLIENT
ORDER
BS5490E
VIN (2NVY/4RKY...)
FROM
TO
FROM
TO
QTY
Chicago Transit Authority - CTA - Illinois
LE87
8450
8549
L82J5N9778644
L82J2P9778801
100
Chicago Transit Authority - CTA - Illinois
LF11
8550
8551
L82JXP9778853
L82J1P9778854
2
Chicago Transit Authority - CTA - Illinois
LF11
8553
8563
L82J5P9778856
L82J8P9778902
11
Chicago Transit Authority - CTA - Illinois
LF11
8565
8585
L82J1P9778904
L82JXP9778965
21
Chicago Transit Authority - CTA - Illinois
LF11
8592
8592
L82J6P9778980
L82J6P9778980
1
Chicago Transit Authority - CTA - Illinois
LF11
8597
8598
L82J0P9778991
L82J2P9778992
2
Chicago Transit Authority - CTA - Illinois
LF11
8623
8623
L82J5P9779022
L82J5P9779022
1
Chicago Transit Authority - CTA - Illinois
LF11
8626
8646
L82J0P9779025
L82J8P9779063
21
PAGE 3 OF 13
NQF772001 version 5
SERVICE BULLETIN
BS5490E
WARNING
FOLLOW YOUR INTERNAL SAFETY PROCEDURES.
PROCEDURE
NOTE
For your safety it is suggested to wear the following protective equipment when working in the battery and
engine compartments; safety helmet, protective glove, safety glasses, and safety shoes.
1.1.
1.2.
Park the vehicle on an even surface with the transmission on neutral.
Apply the parking brake and set the master control switch to the stop position.
1.3.
1.4.
1.6.
Open the battery compartment door and set the battery disconnect switch to the off position.
Disconnect all the cables from the batteries' positive terminals. Install a protective sleeve on the tip of the
cables lug to avoid any contact with the positive terminal of the batteries.
Disconnect all the cables from the batteries' negative terminals. Install a protective sleeve on the tip of the
cables lug to avoid any contact with the negative terminal of the batteries.
Open the rear access door of the engine compartment.
1.7.
1.8.
Locate the 250A fuse holder N84769 for the radiator fan power supply. See Figure 1.
- ALL SIZES YOU NEED - The fuses automotive kit covers 182pcs...
- HIGH QUALITY - The auto fuse is made of Premium zinc alloy...
- EASY TO IDENTIFY - The blade fuses of each current...
- WIDE APPLICATION - variety of sizes that are commonly used...
- FUSE PULLER - The fuses puller is included in the mini fuses...
Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API
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TSB/Document ID: BS5490E
Replacement Service Bulletin Number:
MFR Communication Date: 2024-01-16
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
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